Bert LMZ Transmission Kit for 1 Piece Rear Main Seal

The Bert LMZ Transmission Kit for 1-Piece Rear Main Seal is a complete 2-speed racing transmission package designed specifically for 1986 and newer Chevrolet Small Block V8 engines equipped with a 1-piece rear main seal . Built around the proven Bert LMZ aluminum racing transmission , this kit is engineered to provide maximum horsepower transfer, lightning-fast shifting, and exceptional durability for dirt and asphalt circle track competition. The Bert LMZ features an internal hydraulic clutch assembly that reduces rotating weight while upgraded dog-tooth gears provide faster, more precise shifts. With a direct-drive high gear , 600 lb-ft torque capacity , and a compact design that is approximately 2-5/8 inches shorter than a Muncie transmission , this package is an excellent choice for IMCA, WISSOTA, Modified, Late Model, Hobby Stock, and Street Stock racing applications. Features Genuine Bert LMZ 2-Speed Racing Transmission Kit Designed for Chevy Small Block V8 engines with a 1-piece rear main seal Internal hydraulic clutch assembly Lightweight aluminum transmission case Upgraded dog-tooth gears for quick, positive shifts Two forward gears with reverse Direct-drive high gear for maximum power transfer Approximately 2-5/8 inches shorter than a Muncie transmission Low rotating mass for improved acceleration Heavy-duty bearings and precision-machined components Compatible with standard two-lever racing shifters Built for dirt and asphalt circle track racing Excellent durability for high-performance competition Gear Ratios Low Gear: 2.40:1 High Gear: 1.00:1 (Direct Drive) Reverse: Included Neutral: Yes Specifications Brand: Bert Transmission Model: LMZ Transmission Type: 2-Speed Manual Racing Transmission Application: Chevy Small Block V8 (1-Piece Rear Main Seal) Torque Capacity: 600 lb-ft Case Material: Aluminum Approximate Weight: 40 lbs Input Shaft Diameter: 1.0625 inches Input Shaft Spline Count: 10 Output Shaft Diameter: 1.375 inches Output Shaft Spline Count: 27 Output Style: Slip Yoke Hydraulic Clutch: Internal Bellhousing Included: Yes Shifter Included: No Yoke Included: No Kit Includes Bert LMZ Aluminum 2-Speed Racing Transmission Steel Bellhousing for 1-Piece Rear Main Seal Applications Steel Drive Flange Braided Hydraulic Clutch Line AN Hydraulic Adapter Fittings Bellhousing Bolt Kit Racing Transmission Fluid Installation Hardware Manufacturer Documentation Recommended Applications Ideal for: IMCA Modified WISSOTA Modified Dirt Late Model Hobby Stock Street Stock Crate Engine Racing Asphalt Modified Circle Track Racing Open Wheel Modified Custom Competition Chassis Compatible with 1986 and newer Chevrolet Small Block V8 engines equipped with a 1-piece rear main seal . Installation Requirements Installation may require: Standard two-lever racing shifter Slip-yoke driveshaft Racing transmission mount Crossmember Hydraulic clutch pedal assembly Racing transmission fluid Professional drivetrain alignment Professional installation is recommended to ensure optimum performance, reliability, and proper drivetrain operation. Warranty The Bert LMZ Transmission Kit for 1-Piece Rear Main Seal is backed by a 1-Year Limited Warranty , covering defects in materials and workmanship under normal racing use and proper installation. Why Choose the Bert LMZ Transmission Kit? The Bert LMZ Transmission Kit for 1-Piece Rear Main Seal is built for racers who demand lightweight construction, dependable performance, and maximum power delivery. Its 600 lb-ft torque capacity , internal hydraulic clutch , dog-tooth gear design , and compact aluminum construction reduce drivetrain losses while delivering fast, consistent shifts. Complete with a precision-fit steel bellhousing, drive flange, hydraulic components, and installation hardware, this kit provides a race-ready solution for serious circle track competitors.